package com.dolphin.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.dolphin.entity.MyUser;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

@Mapper
public interface UserMapper extends BaseMapper<MyUser> {
    MyUser selectByUserName(@Param("userName") String userName);
}
